package com.laoyao.util;

import java.util.UUID;

public class UIDUtil {

	public static String getUUID(){
		
		String str = UUID.randomUUID().toString();
		return str.substring(0, 8) + str.substring(9, 13)
				+ str.substring(14, 18) + str.substring(19, 23)
				+ str.substring(24, 36);
	}
	
	
}
